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There is a machine that makes white noise. Therapists use them in their offices to calm their patients. I can imagine a fan would make it difficult to sleep in the winter. Plus it can make some people's eyes dry :(
Is it normal to hear music in white noise?
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There is a machine that makes white noise. Therapists use them in their offices to calm their patients. I can imagine a fan would make it difficult to sleep in the winter. Plus it can make some people's eyes dry :(